The genuine Astroturf patented process creates a grid pattern of thousands of small blades that scrape the shoes/boots clean. Rugged construction that won't fade, shed, or mildew and has a skid-proof back. Easy-to-clean, just shake or hose off. Size: 24.0" x 35.5". No. 10370308: Type: Clean Machine Plus, Material: Astroturf, Backing Material: Skid-proof, Shape: Rectangle, Color: Spruce Green, Length: 35.5", Width: 24" No. 10254597: Type: Clean Machine Plus, Material: Astroturf, Backing Material: Skid-proof, Shape: Rectangle, Color: Taupe, Length: 35.5", Width: 24"